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Australian 1920 Idubs Penny - Bad Storage And Burnishing

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ttkoo's Avatar
Australia
2505 Posts
 Posted 05/20/2022  02:43 am Show Profile   Bookmark this topic Add ttkoo to your friends list Get a Link to this Message Number of Subscribers
Among my Dad's coins were some Oz pennies which have been stored in old Whitman cardboard folders since (I think) the late 50's to mid 60's.

Australian-1920-Idubs-Penny---Bad-Storage-And-Burnishing

Over time, most of the early pennies started to fall out, so he held them in place with adhesive tape (yikes!).

Again over time, the tape has fallen off, leaving a gummy residue.

Due to the damage to the original patina, the coins are practically worthless IMO, so out of interest I soaked this one in 100% acetone to remove the sticky mess.

On some coins, the tape has excluded oxygen from the surface of the coin and the original state of the patina is evident on the reverse.

Additionally the interaction of the cardboard folder with the untaped portions of the reverse side, and the whole of the obverse side has had a burnishing effect, which is (to me) not altogether unattractive.

I've seen topics on CCF regarding silver coins affected this way, but not a lot about copper / bronze coins.

I just had a hankering to share it.

Cheers

Australian-1920-Idubs-Penny---Bad-Storage-And-Burnishing

Australian-1920-Idubs-Penny---Bad-Storage-And-Burnishing








The Ox moves slowly, but the Earth is patient.
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jbuck's Avatar
United States
187862 Posts
 Posted 05/20/2022  09:05 am  Show Profile   Bookmark this reply Add jbuck to your friends list Get a Link to this Reply
A shame about the tape, but you did get to experience first hand how it can protect the covered areas from natural change.

The good news is these coins have way more sentimental value than anything you would buy as replacement.

Thank you for sharing!
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ryurazu's Avatar
Australia
1333 Posts
 Posted 05/20/2022  7:43 pm  Show Profile   Bookmark this reply Add ryurazu to your friends list Get a Link to this Reply
depends on what sorta look you like but acetone I would say peels away patina and will give you a sand blasted look/way too shiny if you don't control the amount of time you soak coin for.

If you have bought bulk pennies unless they are store somewhat properly they will have a tonish look to them with ones left outside have a melted look to them as oxides pool where the moisture gathers, the worst coins are still detector finds or coke cola cleaned coins.

1920 penny dot and the bottom of bottom scroll.

Oh usually the 1946 and 1925 are the ones missing since they are key dates, but it seems your dad has the 1925 or at least that what I can barely make out, nice that he didnt put sticky residue on that one.
Edited by ryurazu
05/20/2022 7:47 pm
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ttkoo's Avatar
Australia
2505 Posts
 Posted 05/21/2022  05:06 am  Show Profile   Bookmark this reply Add ttkoo to your friends list Get a Link to this Reply

Quote:
Oh usually the 1946 and 1925 are the ones missing since they are key dates, but it seems your dad has the 1925 or at least that what I can barely make out, nice that he didnt put sticky residue on that one


The cardboard albums were a home for his 2nd tier spares. Sadly the 25 is also gummed up. His main collection has all of the dates and denominations, including varieties (bar the 1930p of course). Only one 1946p, 3 x 1925p's (his main coin, ,the gummy one with a planchet flaw (see pic) plus another with errors)

Australian-1920-Idubs-Penny---Bad-Storage-And-Burnishing
Australian-1920-Idubs-Penny---Bad-Storage-And-Burnishing
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Mr T's Avatar
Australia
2180 Posts
 Posted 05/22/2022  06:41 am  Show Profile   Bookmark this reply Add Mr T to your friends list Get a Link to this Reply
Ah... we've learned a lot about coin storage in the last half century.
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ttkoo's Avatar
Australia
2505 Posts
 Posted 07/22/2022  10:38 pm  Show Profile   Bookmark this reply Add ttkoo to your friends list Get a Link to this Reply

Quote:
Ah... we've learned a lot about coin storage in the last half century.


Amen to that Mr T
The Ox moves slowly, but the Earth is patient.
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